Projectile motion

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?

• A

• B

• Both at the same time

If you throw a baseball straight up, what is its velocity at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

The more mass an object has, the faster it will fall.

• True
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the horizontal acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²

Tags

NGSS.HS-PS2-1

What is the vertical acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

An object is projected horizontally from a cliff.  The time it takes to hit the ground is

• more than if it was just dropped
• less than if it was just dropped
• the same amount of time than if it was just dropped
• impossible to determine

Tags

NGSS.MS-PS2-4